Home / 10,158.12-15,243.67-4,314.72

Finding the Fourth Proportional to 10,158.12, 15,243.67 and 4,314.72

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Solution

The fourth proportional to 10,158.12, 15,243.67 and 4,314.72 is: 6,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.12 : 15,243.67 = 4,314.72 : x
  2. Step 2: Convert to fraction form
    10,158.12/15,243.67 = 4,314.72/x
  3. Step 3: Cross multiply
    10,158.12x = 15,243.67 × 4,314.72
  4. Step 4: Simplify right side
    10,158.12x = 65,772,230.38
  5. Step 5: Solve for x
    x = 65,772,230.38/10,158.12
  6. Step 6: Final answer
    x = 6,474.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.